* {
    padding: 0;
    margin: 0;
}

li {
    list-style: none;
}

.back {
    text-decoration: none;
    color: #000;
}

.body-bgc {
    background-color: #eee;
}

.section {
    width: 1200px;
    margin: 0 auto;
}

.content-title {
    display: flex;
    justify-content: space-between;
    padding: 15px 10px;
    background-color: #fff;
    margin-top: 60px;
    border-radius: 10px;
    font-weight: 700;
}

.all {
    background-color: #009500;
    color: #fff;
    padding: 3px 15px;
    border-radius: 20px;
}

.content-item {
    display: flex;
    flex-direction: column;
    justify-content: space-between;

    margin-right: 50px;
    width: 350px;
    height: 250px;
    background-color: #fff;
    margin-top: 30px;
    border-radius: 10px;
}

.content-item li {
    border-bottom: 1px solid #ccc;
    /* margin: 10px 0; */
    padding: 5px 10px;
    height: 20%;
    line-height: 40px;
}

.content-item li:last-child {
    border-bottom: none;
}

.red {
    color: red;
}

.exam-state {
    text-align: center;
    background-color: #009500;
    color: #fff;
    line-height: 50px;
    border-bottom-left-radius: 10px;
    border-bottom-right-radius: 10px;
    cursor: pointer;
}

.exam-state2 {
    text-align: center;
    background-color: #ccc;
    color: #fff;
    line-height: 50px;
    border-bottom-left-radius: 10px;
    border-bottom-right-radius: 10px;
}

.contents {
    display: flex;
    flex-wrap: wrap;
}